GENEVA, July 6 -- SHANGHAI CHUANXIN SEMICONDUCTOR CO., LTD. filed a patent application (CN2025/086757) for “ROUGHNESS OPTIMIZATION METHOD AND APPARATUS”. With publication no. WO/2026/137634, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: G03F 1/72

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

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